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BOSTON MARATHON 2023

Renee Sills

Bib: 18645•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #18520
Start → 5K
26:51 | 8:39/mi
10K· 6.21 mi
53:12
Rank: #18276 (+244)
5K → 10K
26:21 | 8:29/mi
15K· 9.32 mi
1:19:23
Rank: #17956 (+320)
10K → 15K
26:11 | 8:26/mi
20K· 12.43 mi
1:46:52
Rank: #18206 (-250)
15K → 20K
27:29 | 8:51/mi
Half· 13.11 mi
1:52:46
Rank: #18220 (-14)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:14:32
Rank: #18343 (-123)
Half → 25K
21:46 | 8:59/mi
30K· 18.64 mi
2:44:20
Rank: #18678 (-335)
25K → 30K
29:48 | 9:36/mi
20M
2:56:56
Rank: #18591 (+87)
30K → 20M
12:36 | 9:16/mi
21M
3:07:09
Rank: #18604 (-13)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:14:05
Rank: #18610 (-6)
21M → 35K
6:56 | 9:16/mi
23M
3:26:17
Rank: #18667 (-57)
35K → 23M
12:12 | 9:45/mi
24M
3:35:08
Rank: #18572 (+95)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
3:43:04
Rank: #18523 (+49)
24M → 40K
7:56 | 9:17/mi
25.2M
3:46:41
Rank: #18538 (-15)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:56:09
Rank: #18589 (-51)
25.2M → Finish
9:28 | 9:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:46
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:03:23
Pace9:25 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0026:518:3926:51
8:39
-
10K
6.21 mi11:44:2153:128:3426:21
8:29
-0:10
15K
9.32 mi12:10:321:19:238:3126:11
8:26
-0:03
20K
12.43 mi12:38:011:46:528:3627:29
8:51
+0:25
Half
13.11 mi12:43:551:52:468:365:54
8:39
-0:12
25K
15.53 mi13:05:412:14:328:4021:46
8:59
+0:20
30K
18.64 mi13:35:292:44:208:4929:48
9:36
+0:37
20M
20.00 mi13:48:052:56:568:5112:36
9:16
-0:20
21M
21.00 mi13:58:183:07:098:5510:13
10:13
+0:57
35K
21.75 mi14:05:143:14:058:556:56
9:16
-0:57
23M
23.00 mi14:17:263:26:178:5812:12
9:45
+0:29
24M
24.00 mi14:26:173:35:088:588:51
8:51
-0:54
40K
24.85 mi14:34:133:43:048:587:56
9:17
+0:26
25.2M
25.20 mi14:37:503:46:419:003:37
10:29
+1:12
Finish
26.22 mi14:47:183:56:099:019:28
9:17
-1:12

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:26 /mi

Average Pace

9:01 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:37

51% of race

Time at Steady Pace

58:42

25% of race

Time at Slower Pace

55:50

24% of race

Average Pace: 9:00 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:18:0026:518:3926:51
8:39
#18520
10K
6.21 mi11:44:2153:128:3426:21
8:29
#18276
15K
9.32 mi12:10:321:19:238:3126:11
8:26
#17956
20K
12.43 mi12:38:011:46:528:3627:29
8:51
#18206
Half
13.11 mi12:43:551:52:468:365:54
8:39
#18220
25K
15.53 mi13:05:412:14:328:4021:46
8:59
#18343
30K
18.64 mi13:35:292:44:208:4929:48
9:36
#18678
20M
20.00 mi13:48:052:56:568:5112:36
9:16
#18591
21M
21.00 mi13:58:183:07:098:5510:13
10:13
#18604
35K
21.75 mi14:05:143:14:058:556:56
9:16
#18610
23M
23.00 mi14:17:263:26:178:5812:12
9:45
#18667
24M
24.00 mi14:26:173:35:088:588:51
8:51
#18572
40K
24.85 mi14:34:133:43:048:587:56
9:17
#18523
25.2M
25.20 mi14:37:503:46:419:003:37
10:29
#18538
Finish
26.22 mi14:47:183:56:099:019:28
9:17
#18589
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi185206885688517330(Top 65%)6124(Top 54%)6124(Top 326%)
10K6.21 mi3.10 mi18276+2446682+2036682+20318152(Top 68%)6564(Top 57%)6564(Top 350%)
15K9.32 mi3.11 mi17956+3206498+1846498+18417330(Top 65%)6124(Top 54%)6124(Top 326%)
20K12.43 mi3.11 mi18206-2506635-1376635-13718928(Top 71%)7045(Top 62%)7045(Top 375%)
Half13.11 mi0.68 mi18220-146647-126647-1218668(Top 70%)6882(Top 60%)6882(Top 366%)
25K15.53 mi2.42 mi18343-1236734-876734-8718850(Top 71%)7044(Top 62%)7044(Top 375%)
30K18.64 mi3.11 mi18678-3356962-2286962-22819764(Top 74%)7629(Top 67%)7629(Top 406%)
20M20.00 mi1.36 mi18591+876926+366926+3617907(Top 67%)6698(Top 59%)6698(Top 357%)
21M21.00 mi1.00 mi18604-136932-66932-618774(Top 71%)7206(Top 63%)7206(Top 384%)
35K21.75 mi0.75 mi18610-66939-76939-719025(Top 71%)7395(Top 65%)7395(Top 394%)
23M23.00 mi1.25 mi18667-576996-576996-5719232(Top 72%)7540(Top 66%)7540(Top 401%)
24M24.00 mi1.00 mi18572+956949+476949+4716522(Top 62%)6098(Top 53%)6098(Top 325%)
40K24.85 mi0.85 mi18523+496929+206929+2017454(Top 66%)6663(Top 58%)6663(Top 355%)
25.2M25.20 mi0.35 mi18538-156949-206949-2019085(Top 72%)7546(Top 66%)7546(Top 402%)
Finish26.22 mi1.02 mi18589-516988-396988-3919326(Top 73%)7626(Top 67%)7626(Top 406%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17330

Females

6124

F40-44

6124

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18152

Females

6564

F40-44

6564

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17330

Females

6124

F40-44

6124

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18928

Females

7045

F40-44

7045

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18668

Females

6882

F40-44

6882

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18850

Females

7044

F40-44

7044

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19764

Females

7629

F40-44

7629

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17907

Females

6698

F40-44

6698

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18774

Females

7206

F40-44

7206

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

19025

Females

7395

F40-44

7395

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19232

Females

7540

F40-44

7540

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16522

Females

6098

F40-44

6098

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17454

Females

6663

F40-44

6663

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19085

Females

7546

F40-44

7546

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19326

Females

7626

F40-44

7626

Passing Analysis

Category:
Athletes Passed
1719
Passed By
1788
Net Change
-69
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18520
5K → 10K473229+244#18520#18276
10K → 15K39474+320#18276#17956
15K → 20K98348-250#17956#18206
20K → Half2337-14#18206#18220
Half → 25K86209-123#18220#18343
25K → 30K91426-335#18343#18678
30K → 20M12841+87#18678#18591
20M → 21M8396-13#18591#18604
21M → 35K4248-6#18604#18610
35K → 23M63120-57#18610#18667
23M → 24M11015+95#18667#18572
24M → 40K7425+49#18572#18523
40K → 25.2M2136-15#18523#18538
25.2M → Finish3384-51#18538#18589
TOTALS17191788-69
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing